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55555333 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) Five 5's followed by three 3's is prime. Is the only prime-digit prime that contains two distinct digits d with repetition of every digit d times. [De Geest and Loungrides]
Submitted: 2004-02-08 07:45:24; Last Modified: 2009-07-05 08:43:26.
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